patch 7.4.1937
Problem:    No test for directory stack in quickfix.
Solution:   Add a test. (Yegappan Lakshmanan)
diff --git a/src/version.c b/src/version.c
index 32e78cc..2cdd142 100644
--- a/src/version.c
+++ b/src/version.c
@@ -754,6 +754,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1937,
+/**/
     1936,
 /**/
     1935,